When did Ultraman Decker Season 1 Episode 21 air?
Ultraman Decker Season 1 Episode 21 aired on December 10, 2022.


Seven years have passed since Ultraman Trigger protected the world from various threats. In the present, Kanata Asumi, who is a positive young man, peacefully lives together with his grandpa. One day, while delivering ordered food, he witnessed a catastrophe: Spheres from the outer space attack Earth and Mars. Motivated by saving the precious lives of the people, he merges with Ultraman Decker and joins GUTS-Select, in order to protect what's important.

The S Plazma fusion reactor is a new technology in development. The tremendous energy it could produce has the potential to allow humanity to reach the speed of light. However, this unknown energy source is concealed as a secret... Monsters are born, Agams' shadow squirms, and a truth is revealed. How will Kanata react to this crisis?!
Direct answers for episode-level questions and details.
Ultraman Decker Season 1 Episode 21 aired on December 10, 2022.
This episode runs for approximately 25 minutes.
Comments coming soon
Discuss episodes with other viewers